F3 Cycling gives you direct-to-stem out front cycling computer mounts - Bikerumor
Amazon.com: Dymoece Adjustable Out Front Combo Computer Mount,Bicycle Extended Mount,Bike Stem Top Cap Mount for Wahoo Elemnt,Elemnt Bolt,Elemnt Mini,Sport Action Camera and Bike Lights (Black-Adjustable) : Electronics
3T Integra Team Carbon Stem with Garmin Mount - Black/Red | ProBikeKit.com